Ampac SP Series, Installation, Commissioning & Operation

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FireFinder
™
Installation Commissioning & Operation
Page 54
2.
When the pressure switch is not active, it signals that there is a full bottle of agent available to be
discharged.
In order for the agent release module to respond to a manual mechanical release, the pressure switch
must have been previously not active, to signify that a full bottle of agent is available
10.2 Agent Release Module
The Agent Release Module controls and monitors all the requirements for agent release and carries the
slide in label for identification of the agent and application area.
Figure 62: Front Panel Layout
10.3 Controlled Access
Service Inhibit
When activated, the module goes into service mode, which results in the selected agent
activation circuit being electrically isolated. Control to be secured from unauthorised use, therefore a key-
switch is required. The key is only removable in the off position.
A
G
E
N
T
N
H
I
B
I
T
I
Lifting the switch cover and pressing the push button places the system in manual mode –
which prevents an automatic release sequence from starting, and sounds the buzzer at the Local Control
Station(s). This two action safety feature prevents any accidental operation of the control and should not
be disabled.
AGENT
SELECT
When activated, causes the selected agent to toggle between Initial and Reserve. Indicators
show which agent has been selected.
10.4 Panel Indicators
There are 12 indicators on both the Agent Release Module and Local Control Station. They are;
MANUAL
ACTIVATION
– Red
Illuminated when a manual release sequence has commenced. A Manual
release sequence can only be started by activating the manual release at the FACP or LCS. The indicator
is extinguished by activating RESET on the FACP.
AUTOMATIC
ACTIVATION
– Red
Illuminated when a automatic release sequence has commenced. This occurs
when the selected zone(s) on the FACP have gone into alarm. For dual zones, the indicator should flash
when the first zone goes into alarm, and steady when the second zone goes into alarm. The indicator is
extinguished by activating RESET on the FACP.